chore: Phpunit 9.6.5

Signed-off-by: Johannes Tegnér <johannes@jitesoft.com>

Author: Johannestegner

composer.json

@@ -26,7 +26,7 @@
     "require-dev": {
         "ext-json": "*",
         "roave/security-advisories": "dev-latest",
-        "phpunit/phpunit": "9.6.4",
+        "phpunit/phpunit": "9.6.5",
         "squizlabs/php_codesniffer": "3.7.2"
     },
     "autoload": {